A customer is interested in the spin-down feature of their new VNX array. However, they cannot
get the feature to function. Their current drive configuration consists of a pool of 32, 2 TB NL-SAS
drives for their backup-to-disk application.
Why is the spin-down feature failing to run?

A.
Can only be enabled for NL-SAS drives in RAID groups

B.
Can only be enabled for SAS drives in pools

C.
Can only be enabled for NL-SAS and SAS drives in pools

D.
Can be enabled for SAS and NL-SAS drives only in RAID groups